1988 Johnson Evinrude CC 60 thru 75 outboards Service Manual, Page 249Get this manual
install the two retaining ringsRetaining rings are under extreme pressure during installationWear safety glasses and proceed with care to avoid unsnapping the ring from the pliersLook inside the gearcase and make sure that the retaining rings are seated in the grooves in the gearcase
24Using OMC Retaining Ring Pliers PI 331045,
167 125Thread two OMC Guide Pins PI 383175 into the
retainer plate to align holes in the plate with holes in the propeller shaft bearing housingDo not thread guide pins more than two turns into the retainer plate